| 1 |
Pressure = |
- A. Force /Area
- B. Area/force
- C. Area x Force
- D. Area + force
|
| 2 |
A bacteria is used in genetic engineering because of their. |
- A. Size
- B. Nucleus
- C. Gene
- D. Fast rate of reproduction
|
| 3 |
How many oxygen atoms are present in onw molecule of Mg(HCO3)2 |
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| 4 |
Small sized kidney stones can be reoved through. |
- A. Urine
- B. Urinary system
- C. Ureter
- D. Lithotripsy
|
| 5 |
In nerve impulse in created in. |
- A. Sensory neron
- B. Spinal cord
- C. PNS
- D. CNS
|
| 6 |
Spectroscope is an instrument used to edamine the wavelength of. |
- A. Water waves
- B. Sound waves
- C. Light waves
- D. Air waves
|
| 7 |
Draught and excessive...............in the soil also have harmful effects on crop productivity. |
- A. Water
- B. Insects
- C. Salts
- D. Minerals
|
| 8 |
Substancs whihc take part in a chemical reaction are called. |
- A. Products
- B. Ractants
- C. Elements
- D. Compunds
|
| 9 |
Cleaning of ...... by artificial method is called dialysis. |
- A. Water
- B. Urine
- C. Acid
- D. Blood
|
| 10 |
A typical chromosoes consists of arms. |
- A. Two
- B. Three
- C. Four
- D. Five
|